Question

Use linear approximation, i.e. the tangent line, to approximate 8.4^(1/3) as follows:
Let f(x)= x^(1/3) . The equation of the tangent line to f(x) at x=8 can be written in the form y=mx+c where m=1/12 and c=4/3:
Using this, find our approximation for 8.4^(1/3).

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